People in graduate school now have visions to make a difference on a large scale.或
People who are in graduate school now and who have visions to make a difference on a large scale will definitely make great contribution to the society in the future.
People in graduate school now have visions to make a difference on a large scale.或
People who are in graduate school now and who have visions to make a difference on a large scale will definitely make great contribution to the society in the future.